(E)-(1S,2R,4S,5S,7S,8S,9R,13R)-7,8-Dihydroxy-1,5,9,12,12-pentamethyl-2,4-bis-trimethylsilanyloxy-16-oxa-bicyclo[11.2.1]hexadec-10-en-3-one

2-[(2R,5S)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-5-methyl-tetrahydro-furan-2-yl]-2-methyl-propionaldehyde